Rosina is a beautiful example of the Knud Reimers designed Swede 55. Conceived as a fast ocean cruising boat, Rosina has outstanding speed in most conditions and is particularly fast and stable on a reach or downwind regularly seeing double digit speeds. Don’t be scared of the overall length Rosina is well behaved and loads are lighter than most big boats. She turns on a dime and is very responsive with a well balanced helm. Rosina is also a great cruiser the long overhangs provide ample storage space and the below decks layout is well thought out. The Swede 55 is one of the few classic fiberglass sailboats with a PHRF rating under 100. You get the elegance of a swept shear and long overhangs, but the performance of a much more modern boat.
Rosina has received extensive updating throughout the years and has spent 11 years in fresh water. Her beautifully updated mast, larger sail plan, mainsail track system and sail handling controls separate her from other Swede 55s.
Boat Name: Rosina
Builder: Fiskastra Designer: Knud Reimers Flag of Registry: United States Keel: Fin
LOA: 53 ft 0 in Beam: 9 ft 7 in LWL: 39 ft 0 in Maximum Draft: 6 ft 5 in Displacement: 16534 lbs Dry Load Ballast: 6283 lbs
Doyles Dacron, Main Sail
Doyles Mylar Kevlar, Upgraded Main Sail
Doyles Dacron, 155% Genoa Main Head Sail
Doyles Dacron, Working Jib
Ullman, LRG 3/4 oz Spinnaker
ZSails, 1/2 oz Spinnaker
North, 1.75 oz Spinnaker
Rod Rigged Primary shrouds and Head stay
Fore Spar ultra telescoping Spinnaker pole w/ mast storage mount
Tapered, Anodized Aluminum Mast w/ double spreader
Boom Vang Preventer under Main Sail
Aluminum Sail track runs length of boat
Full double life lines
Running back stays
All halyards run aft to cockpit
Lewmar 55 Primary winches, self tailing
Lewmar 44 Secondary winches, self tailing
Lewmar 40 Halyard winches, self tailing
Lewmar 44 Aft 3 speed winches , self tailing
All Harken racing blocks throughout
Engine Total Power: 23 HP
Engine: Engine Brand: Volvo Year Built: 1977 Engine Model: MDC11C/110S Engine Type: Inboard/Outboard Engine/Fuel Type: Diesel Location: Center Propeller: Folding propeller Drive Type: Sail drive Engine Power: 23 HP
Fresh Water Tanks: 2 (60 Gallons) Fuel Tanks: 1 (18 Gallons)
Accommodations Number of single berths: 3 Number of double berths: 2 Number of cabins: 3 Number of heads: 1
Electronics: Depth sounder Log-speedometer Wind speed and direction Plotter Autopilot Compass GPS VHF
Inside Equipment: Electric bilge pump Oven Marine head
Lofrans’ anchor windlass with local controls
Teak cockpit Solar panel Cockpit table
Mainsail cover, dodger and Bimini
Please contact DAVID RENI at 732-566-5961 or email@example.com
The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.
Classic hull speed formula:
Hull Speed = 1.34 x √LWLA more accurate formula devised by Dave Gerr in The Propeller Handbook replaces the Speed/Length ratio constant of 1.34 with a calculation based on the Displacement/Length ratio.
Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio.311
Hull Speed = Max Speed/Length ratio x √LWL
A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.
SA/D = SA ÷ (D ÷ 64)2/3
A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.
Ballast / Displacement * 100
A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.
D/L = (D ÷ 2240) ÷ (0.01 x LWL)³
This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.
Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam1.33)
This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.
CSV = Beam ÷ ³√(D / 64)
This design has a fairly convoluted history. A number of builders? Later boats were delivered with various updated rudder, keel and rig combinations.
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